Sexual Reproduc...

Flower is the site of

A flower was taken for study and the parts identified after observation were petals, sepals and stamens. What type of flower is it?

Double fertilisation involves

Pollen tube grows from the _____ and reaches till __________.

In which part of angiosperms is filiform apparatus found?

Which of the following plant contain unisexual flower

Hovering birds pollinate

The Gynoecium of flower having two or more carpel fuse together are called

Which of the following is present in the centre of a flower?

Female germ cells are situated in the

The condition in which stamens are fused by their anthers and the filaments are free is called

Which of the following statements are INCORRECT?

1. Geitonogamy is the pollination of a flower by the pollen from another flower of the same plant.
2. Interfascicular cambium is developed from the cells of medullary ray.
3. Age of a tree can be estimated by diameter of its bark.
4. Lenticels are involved in transpiration.

Superior ovary is found in ____ flowers.

Jack fruit is

In some plants anther and stigma mature at same time this condition is called

During germination, a seedling develops from a/an

Which of the following statements is/are false?

a. Flowers that contain only one sex organ are called unisexual flowers. 
b. A new seed of a plant is formed when the male gamete present in a pollen grain unites with a female gamete present in the ovule. 
c. Each ovule contains many female gametes of a plant.

Which of the following statements are FALSE?

1. Double fertilisation is a characteristic of gymnosperms.
2. Scattered vascular bundles are a characteristic feature of dicot stems.
3. Pollination by snails is called malachophily.
4. Apogamy is the formation of sporophyte directly from the gametophyte without gamete formation.

Arrange the following in the correct sequence for sexual reproduction in a plant.

P - Discharge of male gamete
Q - Germination of pollen to form pollen tube
R - Pollination
S - Fertilisation

The flower which possesses both androecium and gynoecium is called perfect or:-